Short Term Recovery of Function following Total Knee Arthroplasty: A Randomised Study of the Medial Parapatellar and Midvastus Approaches

Table 2

Mean (std) values of the in-patient postoperative measures for the medial parapatellar (MP) and midvastus (MV) groups. value of independent -tests unless stated otherwise.

	MP	MV	value	Difference and 95% CI
Tourniquet time (min)	61 (15)	49 (8)	0.029	11 (1 : 22)
Active flexion day 1 (°)	39 (14)	43 (17)	0.582	4 (−9 : 16)
Active flexion day 2 (°)	56 (17)	61 (18)	0.470	−5 (−9 : 18)
Active flexion day 3 (°)	70 (19)	75 (16)	0.491	−5 (−10 : 20)
Days until straight leg raise	3.9 (2.7)	2.6 (1.4)	0.338^¥	−1.3 (−3.4 : 0.9)
Days until two walking sticks	4.0 (2.3)	3.2 (0.6)	0.605^¥	−0.8 (−2.3 : 0.7)
Days until stair negotiation	5.0 (2.7)	4.1 (1.3)	0.461^¥	−0.9 (−2.8 : 1.0)
Length of hospital stay	5.3 (2.8)	5.2 (2.9)	0.978^¥	−0.1 (−2.5 : 2.2)

Nonparametric Mann-Whitney test.